/* About page (/about/) + shared footer links. Uses site.css variables. */
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin:4px 0 6px}
.foot-links a{color:var(--mut);text-decoration:none;font-size:14px}
.foot-links a:hover,.foot-links a[aria-current=page]{color:var(--ink)}
.nav-links a[aria-current=page]{color:var(--ink);position:relative}
.nav-links a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad)}

.ab-hero{min-height:min(80vh,760px);display:flex;flex-direction:column;justify-content:center}
.ab-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr);gap:56px;align-items:center}
.ab-hero h1{font-size:clamp(38px,4.7vw,64px)}
.ab-hero .lead{max-width:640px}
.ab-chapters{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px 16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 30px 80px -40px rgba(74,168,255,.5)}
.ab-chap-h{font:600 12px Inter,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--home);margin-bottom:10px;opacity:.9}
.ab-chapters ol{list-style:none;margin:0;padding:0;counter-reset:ch}
.ab-chapters li{counter-increment:ch;border-top:1px solid rgba(160,190,255,.07)}
.ab-chapters li:first-child{border-top:0}
.ab-chapters a{display:flex;align-items:center;gap:12px;padding:8px 2px;text-decoration:none;color:var(--mut);font-size:14.5px;transition:color .2s,transform .2s}
.ab-chapters a::before{content:counter(ch,decimal-leading-zero);font:600 11px "Space Grotesk",sans-serif;color:var(--dim);width:18px}
.ab-chapters a:hover{color:var(--ink);transform:translateX(3px)}
.cd{width:8px;height:8px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c);flex:none}

.ab-intro{padding:40px 0 40px}
.ab-introcard{background:var(--glass);border:1px solid var(--line);border-radius:calc(var(--r) + 4px);padding:44px 48px;position:relative;overflow:hidden;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.ab-introcard::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--grad);opacity:.8}
.ab-introcard p{color:#c4cfe0;font-size:18px;margin-top:16px}
.ab-introcard p:first-child{margin-top:0;color:var(--ink);font-size:clamp(19px,1.7vw,22px);line-height:1.5}

.ab-pull{margin:28px 0 6px;padding:4px 0 4px 22px;position:relative}
.ab-pull::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--solar),var(--battery),var(--home))}
.ab-pull p{font:600 clamp(20px,2vw,25px)/1.35 "Space Grotesk",Inter,sans-serif;color:var(--ink);letter-spacing:-.01em;margin:0!important}

/* timeline */
.ab-tl{position:relative;padding:30px 0 10px}
.ab-ch{position:relative;padding:26px 0}
.ab-row{display:grid;grid-template-columns:88px minmax(0,1fr);gap:28px;max-width:1010px}
.ab-row::before{content:"";position:absolute;left:calc(24px + 43px);top:-26px;bottom:-26px;width:2px;background:linear-gradient(180deg,rgba(160,190,255,.12),color-mix(in srgb,var(--c) 55%,transparent) 30%,color-mix(in srgb,var(--c) 55%,transparent) 70%,rgba(160,190,255,.12))}
.ab-row::after{content:"";position:absolute;left:calc(24px + 42px);top:0;width:4px;height:70px;border-radius:4px;background:linear-gradient(180deg,transparent,#fff,transparent);opacity:.8;animation:abrun 4.5s linear infinite;filter:drop-shadow(0 0 6px var(--c))}
@keyframes abrun{0%{top:-26px;opacity:0}10%{opacity:.85}90%{opacity:.85}100%{top:calc(100% - 44px);opacity:0}}
.ab-ch:nth-child(2n) .ab-row::after{animation-delay:-1.6s}.ab-ch:nth-child(3n) .ab-row::after{animation-delay:-3s}
.ab-mark{position:relative;z-index:2}
.ab-node{position:sticky;top:96px;display:grid;place-items:center;width:58px;height:58px;margin:6px auto 0;border-radius:50%;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--c) 26%,#0b1120),#070b14 70%);border:1px solid color-mix(in srgb,var(--c) 70%,transparent);box-shadow:0 0 0 6px rgba(5,7,13,.9),0 0 28px -2px color-mix(in srgb,var(--c) 70%,transparent),inset 0 0 16px -6px var(--c)}
.ab-node svg{width:24px;height:24px;fill:none;stroke:var(--c);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 6px var(--c))}
.ab-cardx{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:36px 40px 38px;position:relative;overflow:hidden;min-width:0}
@supports (backdrop-filter:blur(1px)){.ab-cardx{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}}
.ab-cardx::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--c),transparent 70%);opacity:.85}
.ab-cardx::after{content:"";position:absolute;right:-120px;top:-120px;width:280px;height:280px;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--c) 16%,transparent),transparent);pointer-events:none}
.ab-cardx .kicker{color:var(--c);margin-bottom:12px}
.ab-cardx h2{font-size:clamp(26px,3vw,38px);max-width:760px}
.ab-body{margin-top:8px;position:relative;z-index:1}
.ab-body>p{color:#c4cfe0;margin-top:14px;font-size:17px;max-width:760px}
.ab-list{list-style:none;padding:0;margin:20px 0 8px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 26px}
.ab-list li{position:relative;padding:10px 14px 10px 36px;font-size:15.5px;color:#d3dceb;background:rgba(255,255,255,.025);border:1px solid rgba(160,190,255,.08);border-radius:12px}
.ab-list li::before{content:"";position:absolute;left:14px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c)}

.ab-hl{position:relative;margin:28px 0 12px;padding:30px 30px 26px;border-radius:18px;border:1px solid rgba(52,224,122,.45);background:linear-gradient(150deg,rgba(52,224,122,.10),rgba(74,168,255,.05) 60%,rgba(16,24,40,.4));overflow:hidden;box-shadow:0 30px 80px -40px rgba(52,224,122,.55)}
.ab-hl-glow{position:absolute;right:-60px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(closest-side,rgba(52,224,122,.35),transparent);filter:blur(10px);pointer-events:none}
.ab-hl-q{font:600 14px Inter,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--battery);position:relative}
.ab-hl-a{display:block;margin-top:8px;font:700 clamp(28px,3.4vw,42px)/1.1 "Space Grotesk",sans-serif;letter-spacing:-.02em;text-transform:none;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ab-chips{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:10px;position:relative}
.ab-chips li{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;border:1px solid rgba(160,190,255,.2);background:rgba(5,7,13,.55);font-size:14.5px;color:var(--ink)}
.ab-chips .x{width:16px;height:16px;border-radius:50%;border:1.5px solid #ff7a7a;position:relative;flex:none}
.ab-chips .x::after{content:"";position:absolute;left:50%;top:-2px;bottom:-2px;width:1.5px;background:#ff7a7a;transform:rotate(45deg)}
.ab-hl-end{margin-top:18px;color:#d8f7e6;font-size:16.5px;position:relative}

.ab-axis{list-style:none;padding:0;margin:22px 0 8px;display:grid;grid-template-columns:repeat(3,1fr);position:relative;max-width:640px}
.ab-axis::before{content:"";position:absolute;left:16.6%;right:16.6%;top:9px;height:2px;background:linear-gradient(90deg,var(--battery),rgba(160,190,255,.25))}
.ab-axis li{text-align:center;position:relative;padding-top:28px;font-size:13px;color:var(--mut)}
.ab-axis li::before{content:"";position:absolute;left:50%;top:3px;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:#0b1120;border:2px solid rgba(160,190,255,.45)}
.ab-axis li.me::before{background:var(--battery);border-color:var(--battery);box-shadow:0 0 14px var(--battery)}
.ab-axis b{display:block;font:700 20px "Space Grotesk",sans-serif;color:var(--ink)}
.ab-axis li.me b{color:var(--battery)}

.ab-note{display:flex;gap:14px;align-items:flex-start;margin:26px 0 4px;padding:18px 20px;border-radius:14px;border:1px solid rgba(74,168,255,.38);background:rgba(74,168,255,.07)}
.ab-note p{margin:0;font-size:15.5px;color:#d3dceb}
.ab-note-ic{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font:700 13px "Space Grotesk",sans-serif;color:var(--grid);border:1.5px solid var(--grid);margin-top:1px}

.ab-trio{margin:22px 0 6px;display:grid;gap:10px}
.ab-trio p{position:relative;padding:12px 16px 12px 46px;border-radius:12px;background:linear-gradient(90deg,color-mix(in srgb,var(--c) 10%,transparent),transparent 80%);font:600 18px/1.4 "Space Grotesk",sans-serif;color:var(--ink)}
.ab-trio p::before{content:"";position:absolute;left:16px;top:50%;width:16px;height:2px;background:var(--c);box-shadow:0 0 8px var(--c)}
.ab-duo{margin:26px 0 4px}
.ab-duo p{font:700 clamp(22px,2.4vw,30px)/1.25 "Space Grotesk",sans-serif;letter-spacing:-.01em;color:var(--mut)}
.ab-duo p+p{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:4px}

.ab-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0 10px}
.ab-card{padding:20px 20px 18px}
.ab-card h3{font-size:17px}
.ab-card p{font-size:14.5px}

.ab-close{padding:110px 0 120px}
.ab-close h2{font-size:clamp(34px,5vw,60px)}
.ab-brand{margin-top:26px;font:600 15px "Space Grotesk",sans-serif;letter-spacing:.32em;text-transform:uppercase;color:var(--ink)}
.ab-tags{margin-top:14px;color:var(--mut);font-size:14.5px;line-height:1.9}
.ab-tags .sep{color:var(--solar);margin:0 6px;text-shadow:0 0 8px var(--solar)}
.ab-close .sub{margin-left:auto;margin-right:auto;max-width:640px;color:var(--ink)}
.ab-back{margin-top:30px;font-size:14.5px}
.ab-back a{color:var(--home);text-decoration:none;border-bottom:1px solid rgba(127,243,255,.3);padding-bottom:2px}
.ab-back a:hover{border-color:var(--home)}

@media (max-width:1100px){.ab-hero-grid{grid-template-columns:1fr;gap:36px}.ab-chapters ol{columns:2;column-gap:24px}.ab-chapters li{break-inside:avoid}}
@media (max-width:760px){
  .ab-row{grid-template-columns:40px minmax(0,1fr);gap:12px}
  .ab-row::before{left:calc(18px + 19px)}
  .ab-row::after{left:calc(18px + 18px)}
  .ab-node{width:40px;height:40px;top:80px}
  .ab-node svg{width:18px;height:18px}
  .ab-cardx{padding:24px 20px 26px}
  .ab-list,.ab-cards{grid-template-columns:1fr}
  .ab-introcard{padding:28px 22px}
  .ab-chapters ol{columns:1}
  .ab-hl{padding:22px 18px}
}
@media (max-width:600px){
  .ab-hero{min-height:0}
  .ab-cardx,.ab-introcard,.ab-chapters{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(14,21,36,.85)}
  .ab-ch{padding:18px 0}.ab-row::before{top:-18px;bottom:-18px}
  .ab-close{padding:80px 0 90px}
  .ab-axis b{font-size:17px}
}
@media (prefers-reduced-motion:reduce){.ab-row::after{display:none}}
.ab-ch{scroll-margin-top:20px}